Possessives with of

We can talk about possession using the pattern: noun phrase + of + possessive pronoun:

Look at these examples.

Tom is a friend of mine. (= one of my friends) NOT a friend of me

Rachel came to the party with a cousin of hers. (= one of her cousins)

I borrowed some magazines of yours. (= some of your magazines)

Warning:

We use a possessive pronoun, not the object form of the pronoun:

A neighbour of mine called late last night. Not: A neighbour of me ...